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  • Title: [Postprandial hyperlipidemia, small and dense LDL, HDL sub-fractions].
    Author: Braschi S.
    Journal: Ann Med Interne (Paris); 2001 Apr; 152(3):162-8. PubMed ID: 11431575.
    Abstract:
    The association of postprandial hyperlipidemia, small and dense LDL particles and low HDL cholesterol levels is a major cardiovascular risk factor, highly prevalent in insulin resistant and diabetic patients. Several recent epidemiological studies have demonstrated that an abnormal increase in the postprandial triglyceride levels is an independent cardiovascular risk factor, independent from fasting triglyceride levels. A decreased clearance of postprandial triglycerides is related to an abnormal intravascular lipoprotein metabolism, most of the time secondary to an insulin resistant state and genetic factors. This abnormal lipoprotein metabolism also induces a redistribution of LDL particles towards small and dense particles and a decrease in the HDL cholesterol levels. Small, dense LDL are associated with a 3 fold increase in the risk of ischemic heart disease, but does not remain a significant risk factor after adjustment for triglyceride levels. Decreased HDL cholesterol and apolipoprotein A-I levels are strong cardiovascular risk factors, which does not seem to be better assessed with the assay of various HDL sub-fractions (HDL(2) et HDL(3), LpA-I et LpA-I: A-II.).
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